Electric charging box



FIG. 1 is a front perspective view with closed flap of the electric charging box;

FIG. 2 is a front perspective view with open flap thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a top view thereof, the bottom view being identical. 

The ornamental design for electric charging box, as shown and described. 